Publish fails with validation error
Problem
Publish fails and reports a validation error.
Solution
Publishing process includes a step where data is validated. What is validated is controlled by a validation settings file. But a few validations are mandatory and cannot be turned off, since such errors may cause serious problems.
To get information on what validation rules are blocking publish follow the below steps:
Ensure validation is enabled.
Check that the mandatory validations also are turned on in the validation configuration.
Run validation from the Tools menu to get a complete validation.
Solve the validation problems which are mandatory for publish.
See this article for infomration on how to enable validation and which validations are mandatory at publish: Technical documentation - Validation of information